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Table 2 Factor loading items for the one-factor solution, average score and discrimination indices of items

From: Cross-cultural adaptation, reliability and validity of the Spanish version of the upper limb functional index

Question Item Factor loading Item average score Item discr indices
1 Stay at home most of time .725 .30 .666**
2 Change positions frequently .842 .44 .824**
3 Avoid heavy jobs .730 .25 .670**
4 Rest more often .914 .17 .886**
5 Get others to do things .914 .12 .886**
6 Pain almost all the time .876 .15 .850**
7 Lifting and carrying .672 .10 .631**
8 Appetite affected .344 .20 .434**
9 Walking/normal recreation/sport .599 .25 .672**
10 Home/family duties and chores .570 .19 .675**
11 Sleep less well .296 .13 .283**
12 Assistance with personal care, hygiene .511 25 .576**
13 Regular daily activity work/social .762 .27 .777**
14 More irritable/bad tempered .344 .18 .466**
15 Feel weaker or stiffer .825 .38 .762**
16 Transport independence .511 .29 .576**
17 Arm in shirt sleeve/dressing .888 .20 .860**
18 Writing/using keyboard or mouse .511 .17 .576**
19 Do things at/above shoulder .295 .10 .209*
20 Eating: using utensils .929 .12 .898**
21 Hold or moving dense objects .891 .18 .868**
22 Drop things-minor accidents .909 .18 .883**
23 Use other arm more often .675 .33 .614**
24 Difficult button key coins taps .825 .52 .762**
25 Open, hold, press, or push .206 .43 .303**
  1. ** Indicates Significance <0.01.